The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 17, 2004
Filed:
Apr. 23, 2001
Hitoshi Ohmura, Ymaguchi-ken, JP;
Tatsuo Tomomori, Ymaguchi-ken, JP;
Hideo Ohmura, Ymaguchi-ken, JP;
Keiji Yamane, Ymaguchi-ken, JP;
Toyo Kohan Co., Ltd., Tokyo, JP;
Abstract
The objective of the present invention is to produce a surface treated steel sheet for a battery container of which electric contact to the positive electrode active material is improved, a method of surface treatment for a battery container, a battery container and a battery, wherein the surface treated steel sheet has a graphite dispersed nickel plating layer or a graphite dispersed nickel-alloy plating layer formed on the one side to be the inner surface of a battery container, in which nickel-cobalt alloy, nickel-cobalt-iron alloy, nickel-manganese alloy, nickel-phosphorus alloy, nickel-bismuth alloy or the like is preferable as an alloy plating layer, the battery container is manufactured from these surface treated steel sheets by DI forming or DTR forming, and the battery uses this battery container.